3851116

Information

• Patent Grant
• 3851116

• References
• Source

• Patent Number

  3,851,116

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • G11B27/324 - Duty cycle modulation of control pulses
  • G05B19/16 - using magnetic record carriers
  • G11B5/74 - Record carriers characterised by the form
  • G11B15/005 - Programmed access in sequence to indexed parts of tracks of operating tapes, by driving or guiding the tape
  • G11B15/52 - by using signals recorded on, or derived from, record carrier
  • G11B27/002 - Programmed access in sequence to a plurality of record carriers or indexed parts
  • G11B27/322 - used signal is digitally coded

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER